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Merck
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  • Protocol to quantify enzymatic effects on vitreous liquefaction in porcine eyes using a transwell-plate system.

Protocol to quantify enzymatic effects on vitreous liquefaction in porcine eyes using a transwell-plate system.

STAR protocols (2022-10-09)
Julian Wolf, Luís E Sabage, Young Joo Sun, Vinit B Mahajan
摘要

This protocol describes an ex vivo model to quantify enzymatic effects on vitreous liquefaction using porcine eyes in a transwell-plate system via induced syneresis. It provides a standardized dissection process and performs critical steps for gel-liquid separation with high precision, minimal tissue loss, and scalability. The protocol can be applied to other studies investigating vitreous liquefaction or gelatinous tissue analysis and can also serve to study vitreous liquefaction in vivo as it may occur during aging or disease progression.

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Sigma-Aldrich
透明质酸酶 来源于牛睾丸, Type I-S, lyophilized powder, 400-1000 units/mg solid
Sigma-Aldrich
胰蛋白酶 来源于猪胰腺, lyophilized powder, Type II-S, 1,000-2,000 units/mg dry solid
Sigma-Aldrich
胶原酶 来源于溶组织梭菌, 0.2 μm filtered, suitable for release of physiologically active rat epididymal adipocytes, Type II-S, 0.5-5.0 FALGPA units/mg solid, ≥125 CDU/mg solid